Manitowoc QY0874C

–88–
Energized Parts Chart – Model QDUAL
Ice Making
Sequence of
Operation
Control Board Relays Condensing Unit
Length
of Time
1
Water
Pump
2
Water
Fill
Solenoid
3
Dump
Valve
4
Liquid
Line
Solenoid
5
Cool
Vapor
Valve
1
6
Cool
Vapor
Valve
2
LPCO*
Contactor
Coil
Contactor
Fan Motor
and
Compressor
Initial Start-Up
1. Water Purge
On Off On Off On On Closed On
45 Seconds
2. Refrigeration
System Start-Up
Off On Off On On On Closed **On
5 Seconds